71653180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{977}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 159374880

約数和(自身を除く): 87721700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 193, 380, 386, 772, 965, 977, 1930, 1954, 3667, 3860, 3908, 4885, 7334, 9770, 14668, 18335, 18563, 19540, 36670, 37126, 73340, 74252, 92815, 185630, 188561, 371260, 377122, 754244, 942805, 1885610, 3582659, 3771220, 7165318, 14330636, 17913295, 35826590, 71653180]

約数ペア:

[(1, 71653180), (2, 35826590), (4, 17913295), (5, 14330636), (10, 7165318), (19, 3771220), (20, 3582659), (38, 1885610), (76, 942805), (95, 754244), (190, 377122), (193, 371260), (380, 188561), (386, 185630), (772, 92815), (965, 74252), (977, 73340), (1930, 37126), (1954, 36670), (3667, 19540), (3860, 18563), (3908, 18335), (4885, 14668), (7334, 9770)]